Internal Combustion Engine. Most engines in road going vehicles are 4-cycle internal combustion gasoline engines.

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5
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5answers
1k views

What good is it for an engine to have lower CCs and higher BHP?

I was watching "The Perfect Road Trip 2" by Top Gear, where at some point Richard Hammond is driving a Mercedes A45 AMG. He says that the car develops a whooping 355 BHP, and all that comes from a ...
3
votes
1answer
407 views

Engine sputtering, not accelerating. Left for 20 mins and is now fine?

The car is a Mk1 Golf (1993, 1.8lt, mechanical injection). I was driving up a medium incline and suddenly my car starting sputtering and I lost acceleration. I pulled over and started the engine ...
2
votes
1answer
59 views

first “non-replaceable” parts to break

I'm currently modifying my '08 Subaru WRX with everything from suspension(Sways/Strut/Springs...) to Engine(Turbo/TMIC/Injectors...) and much much more...However I would like to get ahead of the game ...
3
votes
1answer
208 views

Truck won't crank; no sound from starter relays

I have a 1997 Expedition, which badly needed a tune up: the motor was shaking. I changed the plugs, which stopped the shaking; two days later the truck won't start. The battery is hot and the lights ...
2
votes
1answer
215 views

Sluggish Acceleration

I have a 2003 Kia Spectra. Just replaced the radiator. The car does not overheat when running, no fluid leaking. However, car is very sluggish when accelerating. Rpm goes up but car jerks into ...
10
votes
2answers
2k views

How does ambient temperature affect engine efficiency and fuel consumption?

I remember from my physics class that the ideal-gas Carnot engine is more efficient if the temperature difference between the heat source and the thermostat ("heat recipient") is larger ...
2
votes
1answer
225 views

Honda Engine Seize & overheats

I have Honda Trigger CB and it's a good motor vehicle but when I cross speed at 100km/hr. It heats a lot and often get seize in mid way. It then need to cool off to let me ride it again. Also it gives ...
1
vote
0answers
72 views

Have to shake the car to get it started [closed]

Renault Megane 1.6 2008 model. I just changed spark plugs and fuel filter thinking that was the issue, but it carries on. The problem is when the car is stagnant and off and when I try starting the ...
12
votes
3answers
9k views

Why (almost) all dirt bikes have single cylinder engine?

Every dirt bike i know has a single cylinder engine. I myself ride a Yamaha XT660Z which has a huge 660 cc cylinder. What are the characteristics of those engines? what are the benefits of such ...
1
vote
0answers
48 views

Cold Start Problem Chrysler LHS 2001 [closed]

Last night was the coldest night we had for awhile and this morning when I started my car it initially started up and every thing seemed normal. I put it in reverse, backed out, and then when I put it ...
2
votes
1answer
38 views

What uncommon tools are needed for a GMC Savanna 2500 engine replacement?

I have done simple repairs, such as the water pump, alternator, etc on vehicles. Having gone beyond simple maintenance (oil, brakes, spark plugs, etc) I have a collection of very common mechanics ...
3
votes
1answer
131 views

what engine oil does a 1992 subaru liberty auto stationwagon need? Answers in “W” units please

What engine oil does a 1992 Subaru Liberty auto station wagon need? Answers in "W" units please. I need to add oil and I cannot find a good reference as to what to use - the oil at the garages are ...
1
vote
0answers
24 views

Slow Accleration And Moving [closed]

So my car isn't accelerating as it should be the rpms go high but the acceleration is slow and I have a check engine for bank2* catalytic converter could that be the problem.
3
votes
2answers
109 views

Engine stalling/not wanting to go

Hello so I have a 1988 chevy 1500 with a 350 in it. I drove it for about 10 minutes the other day no problem would spin the tires over easy also. The next day I drove it to my grandma's no problem. I ...
1
vote
0answers
131 views

Is 115HP engine enough to drive on steep hills? [closed]

I am comparing the VW Jetta S with SE. The S has a 2L engine with 115HP whereas the SE has a HP of 170 (Ref.). I live in seattle area which has steep hills. I would like to know if 115HP would be ...
3
votes
0answers
142 views

Engine randomly turns off on Mazda Capella 2000

Recently I have been having some issues with my Mazda Capella 2000 occasionally just switching off while I am at low revs. It doesn't often happen but when it does it seems to happen multiple times in ...
2
votes
1answer
725 views

Car won't start problem

I have a problem with my car it won’t start. Just a little background on my car, I have a 2008 Nissan Versa and I have a cold air intake installed in my car with a hydro shield covering the air filter ...
3
votes
1answer
370 views

Bottom piece of spark plug broke off in motorcycle engine

I was riding my 2005 RM125 dirt bike the other day when it bogged down all of a sudden. I noticed the spark plug had backed out of the head, thus causing the stall. I pulled the spark plug all the way ...
6
votes
1answer
155 views

How are fuel injectors controlled?

I took the fuel injectors off of a wrecked Volvo 850 GLT 1996. I was testing them to see if they still worked by simply supplying voltage to them, and they do. I noticed that when I increase or ...
3
votes
1answer
84 views

Can you make a tapped hole deeper?

I tapped a hole in my motor (to hold the valve cover) but I don't think the pre-existing hole was deep enough. Can you make a tapped hole deeper? As the drill bit for the pilot hole should fit right ...
3
votes
0answers
362 views

Strange surging and like it's going to stall, hesitant whilst idling

I have been having an issue with my Peugeot 207 (2008 model) 1.6L VTI petrol engine. The cam cover was replaced by the garage but hasn't fixed the problem. I have lost faith in them. I managed to ...
1
vote
2answers
314 views

Ford Figo doesn't start after recharging the battery

I have a Ford Figo. I had the battery recharged and got it fixed. Now the car won't start. There is a symbol which has pic of a car and a lock on it and that keeps blinking whenever I try to start and ...
1
vote
1answer
333 views

Hyundai Accent 2006 Hard Start Problems When Cold

I am the owner of Hyundai Accent with a diesel engine. After very cold nights, the mornings are a nightmare. The engine starts fine but a light for check up is on most of time on board, and after gear ...
4
votes
1answer
202 views

Coolant leaking into engine

I had my truck in for service - 2006 Sierra Denali - due to an oil leak. They replaced the "engine oil cooler lines to pan gasket". Within a couple of days had a major issue - coolant had gotten into ...
5
votes
2answers
535 views

Is it important that the gasket on the dipstick make a seal against the dipstick tube?

I just did an oil change on my 1995 Nissan Altima, and noticed that the gasket on my dipstick does not make a seal inside the dipstick tube. The inside diameter of the tube is maybe 3/32 of an inch ...
9
votes
3answers
14k views

What disadvantages a car with 4-speed transmission have compared to 5, 6 or 7 speed with similar engine?

This seemed to be most relevant site to ask my question. I am planning to purchase a new car and my shortlisted car has 4 speed automatic and 1.6 litre engine. The thing that worries me is that it ...
3
votes
1answer
355 views

Loose crankshaft bolt. Cause?

I usually service my Mitsubishi L200 Sportero 4x4 5FWD Diesel at Mechanic A, but I had not for several months. Needing a service, I tried another mechanic, Mechanic B, who did the usual 'tune-up'. Two ...
2
votes
2answers
1k views

Peugeot 207 “Cam Cover” Letting in Air

I'm getting codes P2196 (A/F sensor stuck rich) and P2270 (O2 sensor stuck lean) and symptoms of hesitancy whilst idling (original question). Took it into the garage and they've identified that the ...
1
vote
1answer
205 views

Saab 93 Automatic died when waiting for traffic light and won't start again

I just bought a 2006 Saab 93 Aero 2.0T automatic in October, 72000 miles. Everything seems perfect. But 2 weeks ago, the engine died while I was waiting for red light in the town centre, I just braked ...
-2
votes
2answers
145 views

Engine Transmission

I've been having a problem recently, as I push the gas pedal my car moves super slow. It won't go faster then 10 to 15 mphs. As I drive it feels like the gears are not catching
2
votes
2answers
92 views

What is meant by Engine Life Factor(ELF). Should I consider it while buying a vehicle? If so why is it not widely quoted?

The term Engine life factor going by the name suggests that higher the value more is the life of the engine. If so why doesn't companies specify this as a part of their standard specifications?
4
votes
2answers
114 views

What is this (cooling-system related) part?

A while back I stopped my 2000 Ford Ranger (V6 4WD) and all of a sudden there was white smoke pouring out from under the hood, indicating that something was leaking radiator fluid. When I opened the ...
2
votes
1answer
3k views

Having difficulty starting car in the morning/first start after a while

I've got a pretty old car (Nissan Pulsar J1J 1991 auto, 203K kms on the odometer) and it drives pretty well - I'm using it on a roadtrip across New Zealand and have taken it on pretty mountainous ...
1
vote
1answer
139 views

''Tire air leaking sound'' [closed]

I have yamaha SZR bike. It is making weird sound lately. It is making ''tyre air leak sound'' but it is not certainly from the tire. It makes sound after 20-30 minutes interval. Im far from service ...
1
vote
2answers
271 views

Motorcycle stalls shortly after starting

I have a BMW 2008 F 800 st and the oil looks watery. It stops pretty frequently after riding it around the block. When it stalls, after some hesitation, it will start again. I need an unbiased answer ...
1
vote
2answers
2k views

What are the reasons to mix oil & coolant?

Frontal impact vehicle is there fan motor touches the oil cooler,oil cooler slight impact is there, in coolant tank oil and coolant mixed, what are the reasons to mix the coolant and oil in this ...
2
votes
1answer
194 views

What percentage of ethanol can my ford take?

What is the highest percentage of ethanol my car can take? I have a ford escape 2007. I have been putting in either 10% or 20%. Thank you
1
vote
3answers
71 views

2001 Honda Civic timing belt assembly repair question

I have a 2001 Honda Civic. I bought it almost 2 years ago at just over 100,000 miles. It now has almost 116,000 miles and when I took it into my mechanic for a failed sensor replacement he told me ...
3
votes
0answers
690 views

Mercedes C250- Eco mode not working

i have a C250, W204, 2011 model, and i noticed that the ECO mode is not working anymore. When i turn the car on, the ECO button light is green and the ECO sign appears in the cluster. After 1-2 min, ...
2
votes
1answer
73 views

Issue w/ weedeater engine - doesn't stay on

So, here's the problem. I'll prime my weedeater, put full choke on, pull the cord a few times. Now, BEFORE, the engine never started with full choke. I would need to move it to half choke, pull the ...
2
votes
2answers
1k views

Mazda 323: Plugged in Coolant Temp Sensor - Now Car won't Start

I recently bought a Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP. I found the following wire unplugged on the drivers side of the engine, next to the water intake from the radiator: It plugs ...
11
votes
2answers
13k views

WHY does an engine stall? (manual transmission)

Before you write off my question as one that's been answered a million times already, I want to clarify. I understand that the engine needs to go a certain rpm and when you try to engage the clutch ...
1
vote
0answers
61 views

Problem with engine starting up and dying right away [closed]

I bought Honda Civic 2013 LX which had an issue with the original key. I drove with valet key and drove it about 60 miles. After that it's dead. I thought it's an original key issue which I have had ...
2
votes
1answer
163 views

Where is the engine oil filler tap on my Peugeot 504?

The engine oil is a bit low on my peugeot 504 (petrol 4 cylinders from 1979). I'm would like to top it up, but can't locate where oil filler tap is. Thanks
1
vote
0answers
405 views

2003 mazda 6 won't move or go into gear [closed]

I was driving this vehicle on the highway going home. All of a sudden I noticed the oil light coming on, battery light came on too and I could not go past 60mph. So I suddenly pulled over and as soon ...
2
votes
1answer
55 views

Can the crank be removed from a 1999 beetle without engine removal

Spun the rod bearing. I dropped the oil pan and found the affected rod. I disconnected the rod. If I can remove it and have the journal turned or replace it, it would be more work but less money than ...
2
votes
2answers
431 views

Weedeater doesn't run very well w/ muffler on

I know nothing about this kind of stuff. But, when I started my weedeater, and put it on no choke (or even half choke), and gave it full throttle, it slowly died unless I let up on the throttle. I ...
8
votes
2answers
617 views

Can you stop fuel delivery to one cylinder of a 2003 Ford F150 with 5.4L Triton Engine?

Can you disconnect a wire so gas will not pump into the cylinder? I have a spark plug blown out and need to get my 2003 F150 5.4 Trition engine home without paying another tow charge.
4
votes
1answer
633 views

2015 STI White smoke

My 2015 Subaru WRX Sti is emitting white smoke from the exhaust. The smoke smells like burning electronics. When I pull over and open up the hood, I also see white smoke in the engine bay. The smoke ...
1
vote
1answer
222 views

Which engine does a 2005 Kymco People 50 have?

I am looking at purchasing an aftermarket 70cc big bore kit for a Kymco People 50 2-stroke scooter. The issue is that I don't know what engine this has. It seems that the 4-stroke "4T" model uses a ...